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!15645 add FaceDetection CPU support 

From: @zhao_ting_v
Reviewed-by: @oacjiewen,@wuxuejian
Signed-off-by: @wuxuejian
pull/15645/MERGE
mindspore-ci-bot Gitee 4 years ago
parent
026b069e8c 5d3a27a8d8
commit
0ff1b57a72
10 changed files with 190 additions and 243 deletions
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  1. +12
    -12
      model_zoo/research/cv/FaceDetection/README.md
  2. +5
    -6
      model_zoo/research/cv/FaceDetection/eval.py
  3. +5
    -6
      model_zoo/research/cv/FaceDetection/export.py
  4. +2
    -2
      model_zoo/research/cv/FaceDetection/scripts/run_distribute_train.sh
  5. +8
    -5
      model_zoo/research/cv/FaceDetection/scripts/run_eval.sh
  6. +8
    -5
      model_zoo/research/cv/FaceDetection/scripts/run_export.sh
  7. +10
    -7
      model_zoo/research/cv/FaceDetection/scripts/run_standalone_train.sh
  8. +31
    -2
      model_zoo/research/cv/FaceDetection/src/data_preprocess.py
  9. +53
    -2
      model_zoo/research/cv/FaceDetection/src/network_define.py
  10. +56
    -196
      model_zoo/research/cv/FaceDetection/train.py

+ 12
- 12
model_zoo/research/cv/FaceDetection/README.md View File

@@ -69,8 +69,8 @@ We use about 13K images as training dataset and 3K as evaluating dataset in this

# [Environment Requirements](#contents)

- Hardware（Ascend）
- Prepare hardware environment with Ascend processor.
- Hardware（Ascend, CPU）
- Prepare hardware environment with Ascend or CPU processor.
- Framework
- [MindSpore](https://www.mindspore.cn/install/en)
- For more information, please check the resources below：
@@ -120,45 +120,45 @@ The entire code structure is as following:

```bash
cd ./scripts
sh run_standalone_train.sh [MINDRECORD_FILE] [USE_DEVICE_ID]
bash run_standalone_train.sh [PLATFORM] [MINDRECORD_FILE] [USE_DEVICE_ID]
```

or (fine-tune)

```bash
cd ./scripts
sh run_standalone_train.sh [MINDRECORD_FILE] [USE_DEVICE_ID] [PRETRAINED_BACKBONE]
bash run_standalone_train.sh [PLATFORM] [MINDRECORD_FILE] [USE_DEVICE_ID] [PRETRAINED_BACKBONE]
```

for example:

```bash
cd ./scripts
sh run_standalone_train.sh /home/train.mindrecord 0 /home/a.ckpt
bash run_standalone_train.sh CPU /home/train.mindrecord 0 /home/a.ckpt
```

- Distribute mode (recommended)

```bash
cd ./scripts
sh run_distribute_train.sh [MINDRECORD_FILE] [RANK_TABLE]
bash run_distribute_train.sh [MINDRECORD_FILE] [RANK_TABLE]
```

or (fine-tune)

```bash
cd ./scripts
sh run_distribute_train.sh [MINDRECORD_FILE] [RANK_TABLE] [PRETRAINED_BACKBONE]
bash run_distribute_train.sh [MINDRECORD_FILE] [RANK_TABLE] [PRETRAINED_BACKBONE]
```

for example:

```bash
cd ./scripts
sh run_distribute_train.sh /home/train.mindrecord ./rank_table_8p.json /home/a.ckpt
bash run_distribute_train.sh /home/train.mindrecord ./rank_table_8p.json /home/a.ckpt
```

You will get the loss value of each step as following in "./output/[TIME]/[TIME].log" or "./scripts/device0/train.log":
*Distribute mode doesn't support running on CPU*. You will get the loss value of each step as following in "./output/[TIME]/[TIME].log" or "./scripts/device0/train.log":

```python
rank[0], iter[0], loss[318555.8], overflow:False, loss_scale:1024.0, lr:6.24999984211172e-06, batch_images:(64, 3, 448, 768), batch_labels:(64, 200, 6)
@@ -177,14 +177,14 @@ rank[0], iter[62499], loss[4294.194], overflow:False, loss_scale:256.0, lr:6.249

```bash
cd ./scripts
sh run_eval.sh [MINDRECORD_FILE] [USE_DEVICE_ID] [PRETRAINED_BACKBONE]
bash run_eval.sh [PLATFORM] [MINDRECORD_FILE] [USE_DEVICE_ID] [PRETRAINED_BACKBONE]
```

for example:

```bash
cd ./scripts
sh run_eval.sh /home/eval.mindrecord 0 /home/a.ckpt
bash run_eval.sh Ascend /home/eval.mindrecord 0 /home/a.ckpt
```

You will get the result as following in "./scripts/device0/eval.log":
@@ -202,7 +202,7 @@ If you want to infer the network on Ascend 310, you should convert the model to

```bash
cd ./scripts
sh run_export.sh [BATCH_SIZE] [USE_DEVICE_ID] [PRETRAINED_BACKBONE]
bash run_export.sh [PLATFORM] [BATCH_SIZE] [USE_DEVICE_ID] [PRETRAINED_BACKBONE]
```

# [Model Description](#contents)


+ 5
- 6
model_zoo/research/cv/FaceDetection/eval.py View File

@@ -1,4 +1,4 @@
# Copyright 2020 Huawei Technologies Co., Ltd
# Copyright 2020-2021 Huawei Technologies Co., Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@@ -35,14 +35,12 @@ from src.network_define import BuildTestNetwork, get_bounding_boxes, tensor_to_b
parse_gt_from_anno, parse_rets, calc_recall_precision_ap

plt.switch_backend('agg')
devid = int(os.getenv('DEVICE_ID'))
context.set_context(mode=context.GRAPH_MODE, device_target="Ascend", save_graphs=False, device_id=devid)


def parse_args():
'''parse_args'''
parser = argparse.ArgumentParser('Yolov3 Face Detection')

parser.add_argument("--run_platform", type=str, default="Ascend", choices=("Ascend", "CPU"),
help="run platform, support Ascend and CPU.")
parser.add_argument('--mindrecord_path', type=str, default='', help='dataset path, e.g. /home/data.mindrecord')
parser.add_argument('--pretrained', type=str, default='', help='pretrained model to load')
parser.add_argument('--local_rank', type=int, default=0, help='current rank to support distributed')
@@ -55,7 +53,8 @@ def parse_args():

if __name__ == "__main__":
args = parse_args()

devid = int(os.getenv('DEVICE_ID', '0')) if args.run_platform != 'CPU' else 0
context.set_context(mode=context.GRAPH_MODE, device_target=args.run_platform, save_graphs=False, device_id=devid)
print('=============yolov3 start evaluating==================')

# logger


+ 5
- 6
model_zoo/research/cv/FaceDetection/export.py View File

@@ -1,4 +1,4 @@
# Copyright 2020 Huawei Technologies Co., Ltd
# Copyright 2020-2021 Huawei Technologies Co., Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@@ -24,14 +24,11 @@ from mindspore.train.serialization import export, load_checkpoint, load_param_in
from src.FaceDetection.yolov3 import HwYolov3 as backbone_HwYolov3
from src.config import config

devid = int(os.getenv('DEVICE_ID'))
context.set_context(mode=context.GRAPH_MODE, device_target="Ascend", save_graphs=False, device_id=devid)


def save_air(args):
'''save air'''
print('============= yolov3 start save air ==================')

devid = int(os.getenv('DEVICE_ID', '0')) if args.run_platform != 'CPU' else 0
context.set_context(mode=context.GRAPH_MODE, device_target=args.run_platform, save_graphs=False, device_id=devid)

num_classes = config.num_classes
anchors_mask = config.anchors_mask
@@ -63,6 +60,8 @@ def save_air(args):

if __name__ == "__main__":
parser = argparse.ArgumentParser(description='Convert ckpt to air')
parser.add_argument("--run_platform", type=str, default="Ascend", choices=("Ascend", "CPU"),
help="run platform, support Ascend and CPU.")
parser.add_argument('--pretrained', type=str, default='', help='pretrained model to load')
parser.add_argument('--batch_size', type=int, default=8, help='batch size')



+ 2
- 2
model_zoo/research/cv/FaceDetection/scripts/run_distribute_train.sh View File

@@ -16,8 +16,8 @@

if [ $# != 2 ] && [ $# != 3 ]
then
echo "Usage: sh run_distribute_train.sh [MINDRECORD_FILE] [RANK_TABLE] [PRETRAINED_BACKBONE]"
echo " or: sh run_distribute_train.sh [MINDRECORD_FILE] [RANK_TABLE]"
echo "Usage: bash run_distribute_train.sh [MINDRECORD_FILE] [RANK_TABLE] [PRETRAINED_BACKBONE]"
echo " or: bash run_distribute_train.sh [MINDRECORD_FILE] [RANK_TABLE]"
exit 1
fi



+ 8
- 5
model_zoo/research/cv/FaceDetection/scripts/run_eval.sh View File

@@ -14,9 +14,9 @@
# limitations under the License.
# ============================================================================

if [ $# != 3 ]
if [ $# != 4 ]
then
echo "Usage: sh run_eval.sh [MINDRECORD_FILE] [USE_DEVICE_ID] [PRETRAINED_BACKBONE]"
echo "Usage: bash run_eval.sh [PLATFORM] [MINDRECORD_FILE] [USE_DEVICE_ID] [PRETRAINED_BACKBONE]"
exit 1
fi

@@ -42,9 +42,10 @@ SCRIPT_NAME='eval.py'

ulimit -c unlimited

MINDRECORD_FILE=$(get_real_path $1)
USE_DEVICE_ID=$2
PRETRAINED_BACKBONE=$(get_real_path $3)
PLATFORM=$1
MINDRECORD_FILE=$(get_real_path $2)
USE_DEVICE_ID=$3
PRETRAINED_BACKBONE=$(get_real_path $4)

if [ ! -f $PRETRAINED_BACKBONE ]
then
@@ -52,6 +53,7 @@ if [ ! -f $PRETRAINED_BACKBONE ]
exit 1
fi

echo $PLATFORM
echo $MINDRECORD_FILE
echo $USE_DEVICE_ID
echo $PRETRAINED_BACKBONE
@@ -65,6 +67,7 @@ cd ${current_exec_path}/device$USE_DEVICE_ID || exit
dev=`expr $USE_DEVICE_ID + 0`
export DEVICE_ID=$dev
python ${dirname_path}/${SCRIPT_NAME} \
--run_platform=$PLATFORM \
--mindrecord_path=$MINDRECORD_FILE \
--pretrained=$PRETRAINED_BACKBONE > eval.log 2>&1 &



+ 8
- 5
model_zoo/research/cv/FaceDetection/scripts/run_export.sh View File

@@ -14,9 +14,9 @@
# limitations under the License.
# ============================================================================

if [ $# != 3 ]
if [ $# != 4 ]
then
echo "Usage: sh run_export.sh [BATCH_SIZE] [USE_DEVICE_ID] [PRETRAINED_BACKBONE]"
echo "Usage: bash run_export.sh [PLATFORM] [BATCH_SIZE] [USE_DEVICE_ID] [PRETRAINED_BACKBONE]"
exit 1
fi

@@ -42,9 +42,10 @@ SCRIPT_NAME='export.py'

ulimit -c unlimited

BATCH_SIZE=$1
USE_DEVICE_ID=$2
PRETRAINED_BACKBONE=$(get_real_path $3)
PLATFORM=$1
BATCH_SIZE=$2
USE_DEVICE_ID=$3
PRETRAINED_BACKBONE=$(get_real_path $4)

if [ ! -f $PRETRAINED_BACKBONE ]
then
@@ -52,6 +53,7 @@ if [ ! -f $PRETRAINED_BACKBONE ]
exit 1
fi

echo $PLATFORM
echo $BATCH_SIZE
echo $USE_DEVICE_ID
echo $PRETRAINED_BACKBONE
@@ -65,6 +67,7 @@ cd ${current_exec_path}/device$USE_DEVICE_ID || exit
dev=`expr $USE_DEVICE_ID + 0`
export DEVICE_ID=$dev
python ${dirname_path}/${SCRIPT_NAME} \
--run_platform=$PLATFORM \
--batch_size=$BATCH_SIZE \
--pretrained=$PRETRAINED_BACKBONE > convert.log 2>&1 &



+ 10
- 7
model_zoo/research/cv/FaceDetection/scripts/run_standalone_train.sh View File

@@ -14,10 +14,10 @@
# limitations under the License.
# ============================================================================

if [ $# != 2 ] && [ $# != 3 ]
if [ $# != 3 ] && [ $# != 4 ]
then
echo "Usage: sh run_standalone_train.sh [MINDRECORD_FILE] [USE_DEVICE_ID] [PRETRAINED_BACKBONE]"
echo " or: sh run_standalone_train.sh [MINDRECORD_FILE] [USE_DEVICE_ID]"
echo "Usage: bash run_standalone_train.sh [PLATFORM] [MINDRECORD_FILE] [USE_DEVICE_ID] [PRETRAINED_BACKBONE]"
echo " or: bash run_standalone_train.sh [PLATFORM] [MINDRECORD_FILE] [USE_DEVICE_ID]"
exit 1
fi

@@ -43,13 +43,14 @@ SCRIPT_NAME='train.py'

ulimit -c unlimited

MINDRECORD_FILE=$(get_real_path $1)
USE_DEVICE_ID=$2
PLATFORM=$1
MINDRECORD_FILE=$(get_real_path $2)
USE_DEVICE_ID=$3
PRETRAINED_BACKBONE=''

if [ $# == 3 ]
if [ $# == 4 ]
then
PRETRAINED_BACKBONE=$(get_real_path $3)
PRETRAINED_BACKBONE=$(get_real_path $4)
if [ ! -f $PRETRAINED_BACKBONE ]
then
echo "error: PRETRAINED_PATH=$PRETRAINED_BACKBONE is not a file"
@@ -57,6 +58,7 @@ then
fi
fi

echo $PLATFORM
echo $MINDRECORD_FILE
echo $USE_DEVICE_ID
echo $PRETRAINED_BACKBONE
@@ -70,6 +72,7 @@ cd ${current_exec_path}/device$USE_DEVICE_ID || exit
dev=`expr $USE_DEVICE_ID + 0`
export DEVICE_ID=$dev
python ${dirname_path}/${SCRIPT_NAME} \
--run_platform=$PLATFORM \
--world_size=1 \
--mindrecord_path=$MINDRECORD_FILE \
--pretrained=$PRETRAINED_BACKBONE > train.log 2>&1 &


+ 31
- 2
model_zoo/research/cv/FaceDetection/src/data_preprocess.py View File

@@ -1,4 +1,4 @@
# Copyright 2020 Huawei Technologies Co., Ltd
# Copyright 2020-2021 Huawei Technologies Co., Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@@ -16,6 +16,7 @@
import numpy as np
import mindspore.dataset.vision.py_transforms as P
import mindspore.dataset as de
from src.transforms import RandomCropLetterbox, RandomFlip, HSVShift, ResizeLetterbox
from src.config import config
@@ -240,5 +241,33 @@ def preprocess_fn(image, annotation):
t_cls_1, gt_list_1, coord_mask_2, conf_pos_mask_2, conf_neg_mask_2, cls_mask_2, t_coord_2, t_conf_2, \
t_cls_2, gt_list_2
compose_map_func = (preprocess_fn)
def create_dataset(args):
"""Create dataset object."""
args.logger.info('start create dataloader')
ds = de.MindDataset(args.mindrecord_path + "0", columns_list=["image", "annotation"], num_shards=args.world_size,
shard_id=args.local_rank)
ds = ds.map(input_columns=["image", "annotation"],
output_columns=["image", "annotation", 'coord_mask_0', 'conf_pos_mask_0', 'conf_neg_mask_0',
'cls_mask_0', 't_coord_0', 't_conf_0', 't_cls_0', 'gt_list_0', 'coord_mask_1',
'conf_pos_mask_1', 'conf_neg_mask_1', 'cls_mask_1', 't_coord_1', 't_conf_1',
't_cls_1', 'gt_list_1', 'coord_mask_2', 'conf_pos_mask_2', 'conf_neg_mask_2',
'cls_mask_2', 't_coord_2', 't_conf_2', 't_cls_2', 'gt_list_2'],
column_order=["image", "annotation", 'coord_mask_0', 'conf_pos_mask_0', 'conf_neg_mask_0',
'cls_mask_0', 't_coord_0', 't_conf_0', 't_cls_0', 'gt_list_0', 'coord_mask_1',
'conf_pos_mask_1', 'conf_neg_mask_1', 'cls_mask_1', 't_coord_1', 't_conf_1',
't_cls_1', 'gt_list_1', 'coord_mask_2', 'conf_pos_mask_2', 'conf_neg_mask_2',
'cls_mask_2', 't_coord_2', 't_conf_2', 't_cls_2', 'gt_list_2'],
operations=compose_map_func, num_parallel_workers=16, python_multiprocessing=True)
ds = ds.batch(args.batch_size, drop_remainder=True, num_parallel_workers=8)
ds = ds.repeat(args.max_epoch)
args.steps_per_epoch = ds.get_dataset_size()
args.logger.info('args.steps_per_epoch:{}'.format(args.steps_per_epoch))
args.logger.info('args.world_size:{}'.format(args.world_size))
args.logger.info('args.local_rank:{}'.format(args.local_rank))
args.logger.info('end create dataloader')
args.logger.save_args(args)
return ds

+ 53
- 2
model_zoo/research/cv/FaceDetection/src/network_define.py View File

@@ -1,4 +1,4 @@
# Copyright 2020 Huawei Technologies Co., Ltd
# Copyright 2020-2021 Huawei Technologies Co., Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
# limitations under the License.
# ============================================================================
"""Face detection network wrapper."""
import os
import numpy as np

import mindspore.nn as nn
@@ -27,9 +28,12 @@ from mindspore.ops import functional as F
from mindspore.ops import operations as P
from mindspore.common.parameter import Parameter, ParameterTuple
from mindspore.common import dtype as mstype
from mindspore.train.serialization import load_checkpoint, load_param_into_net

from src.FaceDetection.yolo_postprocess import YoloPostProcess
from src.FaceDetection.yolov3 import HwYolov3 as backbone_HwYolov3
from src.FaceDetection.yolo_loss import YoloLoss
from src.lrsche_factory import warmup_step_new

_grad_scale = C.MultitypeFuncGraph("grad_scale")
reciprocal = P.Reciprocal()
@@ -634,3 +638,50 @@ def calc_recall_precision_ap(ground_truth, ret_list, iou_thr=0.5):
evaluate[cls] = {'recall': recall, 'precision': precision, 'ap': ap}

return evaluate

def define_network(args):
"""Define train network with TrainOneStepCell."""
# backbone and loss
num_classes = args.num_classes
num_anchors_list = args.num_anchors_list
anchors = args.anchors
anchors_mask = args.anchors_mask
momentum = args.momentum
args.logger.info('train opt momentum:{}'.format(momentum))
weight_decay = args.weight_decay * float(args.batch_size)
args.logger.info('real weight_decay:{}'.format(weight_decay))
lr_scale = args.world_size / 8
args.logger.info('lr_scale:{}'.format(lr_scale))
args.lr = warmup_step_new(args, lr_scale=lr_scale)
network = backbone_HwYolov3(num_classes, num_anchors_list, args)

criterion0 = YoloLoss(num_classes, anchors, anchors_mask[0], 64, 0, head_idx=0.0)
criterion1 = YoloLoss(num_classes, anchors, anchors_mask[1], 32, 0, head_idx=1.0)
criterion2 = YoloLoss(num_classes, anchors, anchors_mask[2], 16, 0, head_idx=2.0)

# load pretrain model
if os.path.isfile(args.pretrained):
param_dict = load_checkpoint(args.pretrained)
param_dict_new = {}
for key, values in param_dict.items():
if key.startswith('moments.'):
continue
elif key.startswith('network.'):
param_dict_new[key[8:]] = values
else:
param_dict_new[key] = values
load_param_into_net(network, param_dict_new)
args.logger.info('load model {} success'.format(args.pretrained))

train_net = BuildTrainNetworkV2(network, criterion0, criterion1, criterion2, args)
# optimizer
opt = nn.Momentum(params=train_net.trainable_params(), learning_rate=Tensor(args.lr), momentum=momentum,
weight_decay=weight_decay)
# package training process
if args.use_loss_scale:
train_net = TrainOneStepWithLossScaleCell(train_net, opt)
else:
train_net = nn.TrainOneStepCell(train_net, opt)
if args.world_size != 1:
train_net.set_broadcast_flag()
return train_net

+ 56
- 196
model_zoo/research/cv/FaceDetection/train.py View File

@@ -1,4 +1,4 @@
# Copyright 2020 Huawei Technologies Co., Ltd
# Copyright 2020-2021 Huawei Technologies Co., Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@@ -14,6 +14,7 @@
# ============================================================================
"""Face detection train."""
import os
import ast
import time
import datetime
import argparse
@@ -22,163 +23,78 @@ import numpy as np
from mindspore import context
from mindspore.train.loss_scale_manager import DynamicLossScaleManager
from mindspore import Tensor
from mindspore.nn import Momentum
from mindspore.communication.management import init, get_rank, get_group_size
from mindspore.context import ParallelMode
from mindspore.train.callback import ModelCheckpoint, RunContext
from mindspore.train.callback import _InternalCallbackParam, CheckpointConfig
from mindspore.train.serialization import load_checkpoint, load_param_into_net
from mindspore.common import dtype as mstype


import mindspore.dataset as de



from src.FaceDetection.yolov3 import HwYolov3 as backbone_HwYolov3
from src.FaceDetection.yolo_loss import YoloLoss
from src.network_define import BuildTrainNetworkV2, TrainOneStepWithLossScaleCell
from src.lrsche_factory import warmup_step_new
from src.logging import get_logger
from src.data_preprocess import compose_map_func
from src.data_preprocess import create_dataset
from src.config import config

devid = int(os.getenv('DEVICE_ID'))
context.set_context(mode=context.GRAPH_MODE, device_target="Ascend", save_graphs=False, device_id=devid)

from src.network_define import define_network

def parse_args():
'''parse_args'''
parser = argparse.ArgumentParser('Yolov3 Face Detection')

parser.add_argument("--run_platform", type=str, default="Ascend", choices=("Ascend", "CPU"),
help="run platform, support Ascend and CPU.")
parser.add_argument('--mindrecord_path', type=str, default='', help='dataset path, e.g. /home/data.mindrecord')
parser.add_argument('--pretrained', type=str, default='', help='pretrained model to load')
parser.add_argument('--local_rank', type=int, default=0, help='current rank to support distributed')
parser.add_argument('--world_size', type=int, default=8, help='current process number to support distributed')
parser.add_argument("--use_loss_scale", type=ast.literal_eval, default=True,
help="Whether use dynamic loss scale, default is True.")

args, _ = parser.parse_known_args()

return args


def train(args):
'''train'''
print('=============yolov3 start trainging==================')


# init distributed
if args.world_size != 1:
init()
args.local_rank = get_rank()
args.world_size = get_group_size()

args.batch_size = config.batch_size
args.warmup_lr = config.warmup_lr
args.lr_rates = config.lr_rates
args.lr_steps = config.lr_steps
if args.run_platform == "CPU":
args.use_loss_scale = False
args.world_size = 1
args.local_rank = 0
if args.world_size != 8:
args.lr_steps = [i * 8 // args.world_size for i in config.lr_steps]
else:
args.lr_steps = config.lr_steps
args.gamma = config.gamma
args.weight_decay = config.weight_decay
args.weight_decay = config.weight_decay if args.world_size != 1 else 0.
args.momentum = config.momentum
args.max_epoch = config.max_epoch
args.log_interval = config.log_interval
args.ckpt_path = config.ckpt_path
args.ckpt_interval = config.ckpt_interval

args.outputs_dir = os.path.join(args.ckpt_path, datetime.datetime.now().strftime('%Y-%m-%d_time_%H_%M_%S'))
print('args.outputs_dir', args.outputs_dir)
args.num_classes = config.num_classes
args.anchors = config.anchors
args.anchors_mask = config.anchors_mask
args.num_anchors_list = [len(x) for x in args.anchors_mask]
return args

args.logger = get_logger(args.outputs_dir, args.local_rank)

if args.world_size != 8:
args.lr_steps = [i * 8 // args.world_size for i in args.lr_steps]

if args.world_size == 1:
args.weight_decay = 0.

def train(args):
'''train'''
print('=============yolov3 start trainging==================')
devid = int(os.getenv('DEVICE_ID', '0')) if args.run_platform != 'CPU' else 0
context.set_context(mode=context.GRAPH_MODE, device_target=args.run_platform, save_graphs=False, device_id=devid)
# init distributed
if args.world_size != 1:
parallel_mode = ParallelMode.DATA_PARALLEL
else:
parallel_mode = ParallelMode.STAND_ALONE

context.set_auto_parallel_context(parallel_mode=parallel_mode, device_num=args.world_size, gradients_mean=True)
mindrecord_path = args.mindrecord_path

num_classes = config.num_classes
anchors = config.anchors
anchors_mask = config.anchors_mask
num_anchors_list = [len(x) for x in anchors_mask]

momentum = args.momentum
args.logger.info('train opt momentum:{}'.format(momentum))

weight_decay = args.weight_decay * float(args.batch_size)
args.logger.info('real weight_decay:{}'.format(weight_decay))
lr_scale = args.world_size / 8
args.logger.info('lr_scale:{}'.format(lr_scale))
init()
args.local_rank = get_rank()
args.world_size = get_group_size()
context.set_auto_parallel_context(parallel_mode=ParallelMode.DATA_PARALLEL, device_num=args.world_size,
gradients_mean=True)
args.logger = get_logger(args.outputs_dir, args.local_rank)

# dataloader
args.logger.info('start create dataloader')
epoch = args.max_epoch
ds = de.MindDataset(mindrecord_path + "0", columns_list=["image", "annotation"], num_shards=args.world_size,
shard_id=args.local_rank)
ds = create_dataset(args)

ds = ds.map(input_columns=["image", "annotation"],
output_columns=["image", "annotation", 'coord_mask_0', 'conf_pos_mask_0', 'conf_neg_mask_0',
'cls_mask_0', 't_coord_0', 't_conf_0', 't_cls_0', 'gt_list_0', 'coord_mask_1',
'conf_pos_mask_1', 'conf_neg_mask_1', 'cls_mask_1', 't_coord_1', 't_conf_1',
't_cls_1', 'gt_list_1', 'coord_mask_2', 'conf_pos_mask_2', 'conf_neg_mask_2',
'cls_mask_2', 't_coord_2', 't_conf_2', 't_cls_2', 'gt_list_2'],
column_order=["image", "annotation", 'coord_mask_0', 'conf_pos_mask_0', 'conf_neg_mask_0',
'cls_mask_0', 't_coord_0', 't_conf_0', 't_cls_0', 'gt_list_0', 'coord_mask_1',
'conf_pos_mask_1', 'conf_neg_mask_1', 'cls_mask_1', 't_coord_1', 't_conf_1',
't_cls_1', 'gt_list_1', 'coord_mask_2', 'conf_pos_mask_2', 'conf_neg_mask_2',
'cls_mask_2', 't_coord_2', 't_conf_2', 't_cls_2', 'gt_list_2'],
operations=compose_map_func, num_parallel_workers=16, python_multiprocessing=True)

ds = ds.batch(args.batch_size, drop_remainder=True, num_parallel_workers=8)

args.steps_per_epoch = ds.get_dataset_size()
lr = warmup_step_new(args, lr_scale=lr_scale)

ds = ds.repeat(epoch)
args.logger.info('args.steps_per_epoch:{}'.format(args.steps_per_epoch))
args.logger.info('args.world_size:{}'.format(args.world_size))
args.logger.info('args.local_rank:{}'.format(args.local_rank))
args.logger.info('end create dataloader')
args.logger.save_args(args)
args.logger.important_info('start create network')
create_network_start = time.time()

# backbone and loss
network = backbone_HwYolov3(num_classes, num_anchors_list, args)

criterion0 = YoloLoss(num_classes, anchors, anchors_mask[0], 64, 0, head_idx=0.0)
criterion1 = YoloLoss(num_classes, anchors, anchors_mask[1], 32, 0, head_idx=1.0)
criterion2 = YoloLoss(num_classes, anchors, anchors_mask[2], 16, 0, head_idx=2.0)

# load pretrain model
if os.path.isfile(args.pretrained):
param_dict = load_checkpoint(args.pretrained)
param_dict_new = {}
for key, values in param_dict.items():
if key.startswith('moments.'):
continue
elif key.startswith('network.'):
param_dict_new[key[8:]] = values
else:
param_dict_new[key] = values
load_param_into_net(network, param_dict_new)
args.logger.info('load model {} success'.format(args.pretrained))

train_net = BuildTrainNetworkV2(network, criterion0, criterion1, criterion2, args)

# optimizer
opt = Momentum(params=train_net.trainable_params(), learning_rate=Tensor(lr), momentum=momentum,
weight_decay=weight_decay)

# package training process
train_net = TrainOneStepWithLossScaleCell(train_net, opt)
train_net.set_broadcast_flag()
train_net = define_network(args)

# checkpoint
ckpt_max_num = args.max_epoch * args.steps_per_epoch // args.ckpt_interval
@@ -196,86 +112,30 @@ def train(args):
t_epoch = time.time()
old_progress = -1
i = 0
scale_manager = DynamicLossScaleManager(init_loss_scale=2 ** 10, scale_factor=2, scale_window=2000)
if args.use_loss_scale:
scale_manager = DynamicLossScaleManager(init_loss_scale=2 ** 10, scale_factor=2, scale_window=2000)
for data in ds.create_tuple_iterator(output_numpy=True):

batch_images = data[0]
batch_labels = data[1]
coord_mask_0 = data[2]
conf_pos_mask_0 = data[3]
conf_neg_mask_0 = data[4]
cls_mask_0 = data[5]
t_coord_0 = data[6]
t_conf_0 = data[7]
t_cls_0 = data[8]
gt_list_0 = data[9]
coord_mask_1 = data[10]
conf_pos_mask_1 = data[11]
conf_neg_mask_1 = data[12]
cls_mask_1 = data[13]
t_coord_1 = data[14]
t_conf_1 = data[15]
t_cls_1 = data[16]
gt_list_1 = data[17]
coord_mask_2 = data[18]
conf_pos_mask_2 = data[19]
conf_neg_mask_2 = data[20]
cls_mask_2 = data[21]
t_coord_2 = data[22]
t_conf_2 = data[23]
t_cls_2 = data[24]
gt_list_2 = data[25]

img_tensor = Tensor(batch_images, mstype.float32)
coord_mask_tensor_0 = Tensor(coord_mask_0.astype(np.float32))
conf_pos_mask_tensor_0 = Tensor(conf_pos_mask_0.astype(np.float32))
conf_neg_mask_tensor_0 = Tensor(conf_neg_mask_0.astype(np.float32))
cls_mask_tensor_0 = Tensor(cls_mask_0.astype(np.float32))
t_coord_tensor_0 = Tensor(t_coord_0.astype(np.float32))
t_conf_tensor_0 = Tensor(t_conf_0.astype(np.float32))
t_cls_tensor_0 = Tensor(t_cls_0.astype(np.float32))
gt_list_tensor_0 = Tensor(gt_list_0.astype(np.float32))

coord_mask_tensor_1 = Tensor(coord_mask_1.astype(np.float32))
conf_pos_mask_tensor_1 = Tensor(conf_pos_mask_1.astype(np.float32))
conf_neg_mask_tensor_1 = Tensor(conf_neg_mask_1.astype(np.float32))
cls_mask_tensor_1 = Tensor(cls_mask_1.astype(np.float32))
t_coord_tensor_1 = Tensor(t_coord_1.astype(np.float32))
t_conf_tensor_1 = Tensor(t_conf_1.astype(np.float32))
t_cls_tensor_1 = Tensor(t_cls_1.astype(np.float32))
gt_list_tensor_1 = Tensor(gt_list_1.astype(np.float32))

coord_mask_tensor_2 = Tensor(coord_mask_2.astype(np.float32))
conf_pos_mask_tensor_2 = Tensor(conf_pos_mask_2.astype(np.float32))
conf_neg_mask_tensor_2 = Tensor(conf_neg_mask_2.astype(np.float32))
cls_mask_tensor_2 = Tensor(cls_mask_2.astype(np.float32))
t_coord_tensor_2 = Tensor(t_coord_2.astype(np.float32))
t_conf_tensor_2 = Tensor(t_conf_2.astype(np.float32))
t_cls_tensor_2 = Tensor(t_cls_2.astype(np.float32))
gt_list_tensor_2 = Tensor(gt_list_2.astype(np.float32))

scaling_sens = Tensor(scale_manager.get_loss_scale(), dtype=mstype.float32)

loss0, overflow, _ = train_net(img_tensor, coord_mask_tensor_0, conf_pos_mask_tensor_0,
conf_neg_mask_tensor_0, cls_mask_tensor_0, t_coord_tensor_0,
t_conf_tensor_0, t_cls_tensor_0, gt_list_tensor_0,
coord_mask_tensor_1, conf_pos_mask_tensor_1, conf_neg_mask_tensor_1,
cls_mask_tensor_1, t_coord_tensor_1, t_conf_tensor_1,
t_cls_tensor_1, gt_list_tensor_1, coord_mask_tensor_2,
conf_pos_mask_tensor_2, conf_neg_mask_tensor_2,
cls_mask_tensor_2, t_coord_tensor_2, t_conf_tensor_2,
t_cls_tensor_2, gt_list_tensor_2, scaling_sens)

overflow = np.all(overflow.asnumpy())
if overflow:
scale_manager.update_loss_scale(overflow)
input_list = [Tensor(batch_images, mstype.float32)]
for idx in range(2, 26):
input_list.append(Tensor(data[idx], mstype.float32))
if args.use_loss_scale:
scaling_sens = Tensor(scale_manager.get_loss_scale(), dtype=mstype.float32)
loss0, overflow, _ = train_net(*input_list, scaling_sens)
overflow = np.all(overflow.asnumpy())
if overflow:
scale_manager.update_loss_scale(overflow)
else:
scale_manager.update_loss_scale(False)
args.logger.info('rank[{}], iter[{}], loss[{}], overflow:{}, loss_scale:{}, lr:{}, batch_images:{}, '
'batch_labels:{}'.format(args.local_rank, i, loss0, overflow, scaling_sens, args.lr[i],
batch_images.shape, batch_labels.shape))
else:
scale_manager.update_loss_scale(False)
args.logger.info('rank[{}], iter[{}], loss[{}], overflow:{}, loss_scale:{}, lr:{}, batch_images:{}, '
'batch_labels:{}'.format(args.local_rank, i, loss0, overflow, scaling_sens, lr[i],
batch_images.shape, batch_labels.shape))

loss0 = train_net(*input_list)
args.logger.info('rank[{}], iter[{}], loss[{}], lr:{}, batch_images:{}, '
'batch_labels:{}'.format(args.local_rank, i, loss0, args.lr[i],
batch_images.shape, batch_labels.shape))
# save ckpt
cb_params.cur_step_num = i + 1 # current step number
cb_params.batch_num = i + 2


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